本发明针对包装用铝合金板的制造方法,着重介绍了高效率生产啤酒及清凉饮料罐盖用的强度高、成形性良好的铝合金板的制造方法。上述罐盖用铝合金板需要具备如下特性:1.在强度方面需要有良好的耐压性、刚性、耐冲击性等;2.良好的铆钉加工等成形性;3.良好的开启性。此外,作为改善合金强度及成形性的手段,是以调整添加合金元素的种类及其添加 The present invention is directed to a method of manufacturing an aluminum alloy sheet for packaging, which emphasizes high strength and good moldability for efficiently producing beer and refreshment can ends. The above-mentioned aluminum alloy plate for cans needs to have the following characteristics: 1. In terms of strength, good pressure resistance, rigidity and impact resistance are required; 2. Good formability such as rivet processing; 3. Good opening property. In addition, as a means of improving the strength and formability of the alloy, the type of the alloying element to be added and its addition